UGC NET - Computer Science & Applications Exam

Will you please share the previous year question paper of UGC NET Exam - Computer Science & Applications Paper II???

As you are looking for the previous year UGC NET - Computer Science & Applications question paper so here it is given below

The worst case time complexity of
AVL tree is better in comparison to
binary search tree for
(A) Search and Insert Operations
(B) Search and Delete Operations
(C) Insert and Delete Operations
(D) Search, Insert and Delete
Operations

The GSM network is divided into the
following three major systems :
(A) SS, BSS, OSS
(B) BSS, BSC, MSC
(C) CELL, BSC, OSS
(D) SS, CELL, MSC

If the disk head is located initially at
32, find the number of disk moves
required with FCFS if the disk queue
of I/O blocks requests are 98, 37, 14,
124, 65, 67.
(A) 239
(B) 310
(C) 321
(D) 325

Component level design is concerned
with
(A) Flow oriented analysis
(B) Class based analysis
(C) Both of the above
(D) None of the above

The ‘C’ language is
(A) Context free language
(B) Context sensitive language
(C) Regular language
(D) None of the above

The Mobile Application Protocol
(MAP) typically runs on top of which
protocol ?
(A) SNMP (Simple Network
Management Protocol)
(B) SMTP (Simple Mail Transfer
Protocol)
(C) SS7 (Signalling System 7)
(D) HTTP (Hyper Text Transfer
Protocol)

UGC NET - Computer Science & Applications Question Paper

Here I am sharing the previous year question paper of UGC NET Exam - Computer Science & Applications Paper II
COMPUTER SCIENCE & APPLICATIONS
Paper – II
Note : This paper contains fifty (50) objective type questions, each question carrying two (2)
marks. Attempt all the questions.
1. If she is my friend and you are her friend, then we are friends. Given this, the friend
relationship in this context is ____________.
(i) commutative (ii) transitive (iii) implicative (iv) equivalence
(A) (i) and (ii) (B) (iii)
(C) (i), (ii), (iii) and (iv) (D) None of these
2. Circle has ____________
(A) No vertices (B) Only 1 vertex
(C) vertices (D) None of these
3. If in an error detection and correction code a message M : “You are good students” is
stored as M' : Youare areyou aregood goodare goodstudents studentsgood. What is the
space required to store M' in general ? (assume that ‘n’ is the length of M)
(A) 2n (B) 3n (C) 4n (D) less than 4n
4. P : “Program is a step by step execution of the instructions”. Given P, which of the
following is true ?
(A) Program is a subset of an instruction set.
(B) Program is a sequence of a subset of an instruction set.
(C) Program is a partially ordered set of an instruction set.
(D) All of the above
5. In a MIU puzzle, either of the letters M, I or U could go as a start symbol. Production
rules are given below :
R1 : U IU
R2 : M.x M.x.x where
. .
. is string concatenation operator. Given this, which of the
following holds for
(i) MIUIUIUIUIU (ii) MIUIUIUIUIUIUIUIU
(A) Either (i) or (ii) but not both of these are valid words.
(B) Both (i) and (ii) are valid words and they take identical number of
transformations for the production.
(C) Both (i) and (ii) are valid words but they involve different number of
transformations in the production.
(D) None of these
6. The simplified form of the Boolean expression (X + Y + XY) (X + Z) is
(A) X + Y + ZX + Y (B) XY – YZ (C) X + YZ (D) XZ + Y

7. Identify the logic function performed by the circuit shown
(A) exclusive OR (B) exclusive NOR
(C) NAND (D) NOR
8. The highest noise margin is offered by
(A) BICMOS (B) TTL
(C) ECL (D) CMOS
9. The answer of the operation (10111)2 * (1110)2 in hex equivalence is
(A) 150 (B) 241 (C) 142 (D) 101011110
10. How many 1’s are present in the binary representation of
3 512 + 7 64 + 5 8 + 3
(A) 8 (B) 9 (C) 10 (D) 11
11. Recursive functions are executed in a
(A) First in first out-order (B) Last in first out-order
(C) Parallel fashion (D) Load balancing
12. What would be the output of the following program, if run from the command line as
“myprog 1 2 3” ?
main (int argc, char argv[ ])
{ int i ;
i = argv[1] + argv[2] + argv[3] ;
printf (“% d”, i) ;
}
(A) 123 (B) 6 (C) Error (D) “123”
13. A __________ is a special method used to initialize the instance variable of a class.
(A) Member function (B) Destructor
(C) Constructor (D) Structure
14. Encapsulation is
(A) Dynamic binding
(B) A mechanism to associate the code and data.
(C) Data abstraction
(D) Creating new class

15. Which of the statements are true ?
I. Function overloading is done at compile time.
II. Protected members are accessible to the member of derived class.
III. A derived class inherits constructors and destructors.
IV. A friend function can be called like a normal function.
V. Nested class is a derived class.
(A) I, II, III (B) II, III, V (C) III, IV, V (D) I, II, IV
16. The E-R model is expressed in term of
I. Entities
II. The relationship among entities.
III. The attributes of the entities.
IV. Functional relationship.
(A) I, II (B) I, II, IV (C) II, II, IV (D) I, II, III
17. Specialization is __________ process.
(A) top-down (B) bottom up
(C) both (A) and (B) (D) none of these
18. Match the following :
(1) Determinants (a) No attribute can be added
(2) Candidate key (b) Uniquely identified a row
(3) Non-redundancy (c) A constraint between two attribute
(4) Functional dependency (d) Group of attributes on the left hand side of
arrow of function dependency.
(A) 1 – d, 2 – b, 3 – a, 4 – c
(B) 2 – d, 3 – a, 1 – b, 4 – c
(C) 4 – a, 3 – b, 2 – c, 1 – d
(D) 3 – a, 4 – b, 1 – c, 2 – d
19. A function that has no partial functional dependencies is in __________ form.
(A) 3 NF (B) 2 NF (C) 4 NF (D) BCNF
20. Which of the following statement is wrong ?
I. 2-phase locking protocol suffer from dead lock.
II. Time stamp protocol suffer from more aborts.
III. A block hole in a DFD is a data store with only inbound flows.
IV. Multivalued dependency among attribute is checked at 3 NF level.
V. An entity-relationship diagram is a tool to represent event model.
(A) I, II, II (B) II, III, IV (C) III, IV, V (D) II, IV, V
21. If the number of leaves in a strictly binary tree is an odd number, then what can you say
with full conviction about total number of nodes in the tree ?
(A) It is an odd number.
(B) It is an even number.
(C) It cannot be equal to the number of leaves.
(D) It is always greater than twice the number of leaves.

22. The number of edges in a complete graph of n vertices is
(A) n (B) n(n – 1)/2 (C) n(n + 1)/2 (D) n2/2
23. At a hill station, the parking lot is one long drive way snaking up a hill side. Cars drive
in and park right behind the car in front of them, one behind another. A car can’t leave
until all the cars in front of it have left. Is the parking lot more like
(A) An array (B) A stack (C) A queue (D) A linked list
24. With regard to linked list, which of the following statement is false ?
(A) An algorithm to search for an element in a singly linked list requires 0(n)
operations in the worst case.
(B) An algorithm for deleting the first element in a singly linked list requires 0(n)
operations in the worst case.
(C) An algorithm for finding the maximum value in a circular linked list requires 0(n)
operations.
(D) An algorithm for deleting the middle node of a circular linked list requires 0(n)
operations.
25. A hash function f defined as f(key) = key mod 7, with linear probing used to resolve
collisions. Insert the keys 37, 38, 72, 48, 98 and 11 into the table indexed from 0 to 6.
What will be the location of 11 ?
(A) 3 (B) 4 (C) 5 (D) 6
26. Device on one network can communicate with devices on another network via a
(A) Hub/Switch (B) Utility server
(C) File server (D) Gateway
27. What is the maximum window size in sliding window protocol used in a computer
network ?
(A) 4 (B) 8 (C) 15 (D) 16
28. Which of the following are Data Link Layer standard ?
1. Ethernet 2. HSSI 3. Frame Relay
4. 10 – Base T 5. Token Ring
(A) 1, 2, 3 (B) 1, 3, 5 (C) 1, 3, 4, 5 (D) 1, 2, 3, 4, 5
29. In case of Bus/Tree topology signal balancing issue is overcome by
(A) Modulation (B) Polling
(C) Segmentation (D) Strong transmitter
30. Match the following :
(i) Ethernet (a) Deterministic
(ii) Token Ring (b) Utilize the full wire speed
(iii) Cut-through switch (c) Prevent looping
(iv) Spanning tree (d) Checking valid address
Codes :
(A) i – d, ii – a, iii – b, iv – c (B) i – a, ii – d, iii – b, iv – c
(C) i – d, ii – d, iii – c, iv – b (D) i – d, ii – c, iii – b, iv – a

31. In an absolute loading scheme which loader function is accomplished by assembler ?
(A) re-allocation (B) allocation (C) linking (D) loading
32. Which of the following grammar is LR (1) ?
(A) A a A b, A b A b, A a , A b
(B) A a A a, A a A b, A c
(C) A A + A, A a
(D) Both (A) and (B)
33. A shift-reduce parser carries out the actions specified within braces immediately after
reducing with the corresponding rule of the grammar.
S x x W [ print “1”]
S y [print “2”]
W S2 [print “3”], what is the translation of “x x x x y z z” ?
(A) 1 1 2 3 1 (B) 1 1 2 3 3 (C) 2 3 1 3 1 (D) 2 3 3 2 1
34. Contex-free Grammar (CFG) can be recognized by
(A) Finite state automata
(B) 2-way linear bounded automata
(C) push down automata
(D) both (B) and (C)
35. Synthesized attribute can be easily simulated by a
(A) LL grammar (B) Ambiguous grammar
(C) LR grammar (D) None of the above
36. In the process management Round-robin method is essentially the pre-emptive version
of _________
(A) FILO (B) FIFO
(C) SSF (D) Longest time first
37. A page fault
(A) is an error specific page.
(B) is an access to the page not currently in memory.
(C) occur when a page program occur in a page memory.
(D) page used in the previous page reference.
38. A semaphore count of negative n means (s = – n) that the queue contains ________
waiting processes.
(A) n + 1 (B) n (C) n – 1 (D) 0
39. A program is located in the smallest available hole in the memory is _________
(A) best – fit (B) first – bit (C) worst – fit (D) buddy
40. The Unix command used to find out the number of characters in a file is
(A) nc (B) wc (C) chcnt (D) lc

41. Software Engineering is a discipline that integrates _________ for the development of
computer software.
(A) Process (B) Methods (C) Tools (D) All
42. Any error whose cause cannot be identified anywhere within the software system is
called ________
(A) Internal error (B) External error
(C) Inherent error (D) Logic error
43. Recorded software attributes can be used in the following endeavours :
(i) Cost and schedule estimates.
(ii) Software product reliability predictions.
(iii) Managing the development process.
(iv) No where
Codes :
(A) (i) (ii) (iv)
(B) (ii) (iii) (iv)
(C) (i) (ii) (iii)
(D) (i) (ii) (iii) (iv)
44. Black Box testing is done
(A) to show that s/w is operational at its interfaces i.e. input and output.
(B) to examine internal details of code.
(C) at client side.
(D) none of above.
45. The name of the transaction file shall be provided by the operator and the file that
contains the edited transactions ready for execution shall be called
(A) Batch. Exe (B) Trans. Exe
(C) Opt. Exe (D) Edit.Exe
46. The single stage network is also called
(A) one sided network (B) two sided network
(C) recirculating network (D) pipeline network
47. Analysis of large database to retrieve information is called
(A) OLTP (B) OLAP (C) OLDP (D) OLPP
48. Which technology is sometime referred to as wireless cable ?
(A) MMDS (B) ATM (C) LMDS (D) CDMA
49. Another name of IEEE 802.11 a is ____________
(A) Wi-Max (B) Fast Ethernet
(C) Wi-Fi (D) 802.11 g
50. The unlicensed National Information Infrastructure band operates at the _________
frequency
(A) 2.4 GHz (B) 5 GHz (C) 33 MHz (D) 5 MHz
_________

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